000 006880000a22001930004500
001 20664
090 _a20664
100 _a20190520 frey50
101 _aeng
102 _aNO
200 0 1 _aThe management of cod stocks with special reference to growth and recruitment overfishing and the question whether artificial propagation can help to solve management problems
_fO. Ulltang
210 _aNordnes, Norway
_c1984
_dInstitute of Marine Research
215 _a23 p.
_cil.
_d21 cm
305 _aSeparata de: Flodevigen rapportser. - ISSN 0333-2594. - 1. - p. 795-817
317 _aIPIMAR
320 _aContém bibliografia
676 _a008 u
686 _aE 34
700 _aUlltang,
_bOyvind